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Circumferenter - Miner's Dial, Jordan, London, circa 1830 Object Reg. No: ST 000878

Miner's dial manufactured by T.B. Jordan in London.
A circumferenter is a surveyor's tool used for measuring horizontal angles.
Two circular brass scales and silver dial. The tool is largely constructed from copper alloy components, with the exception of the dial face which is constructed from iron based alloy. There is a small sight at one end of the top component.
Acquisition Information:
Transfer from National Museum of Victoria, 1871
Discipline: Technology
Dimensions: 140 mm (Height), 130 mm (Width), 170 mm (Length)

More information

Tagged with: surveying apparatus instruments, circumferenters
Themes this item is part of: Engineering Collection, Science & Measurement Collection, Transport Collection
On Display at: Melbourne Museum
Primary Classification: SURVEYING & NAVIGATION
Secondary Classification: Optical & Magnetic
Tertiary Classification: (to be classified)
Inscriptions: Inscribed: "T.B. JORDON, LONDON"
Maker: Thomas Jordan, London, England, Great Britain, circa 1830

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